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Bug#780686: linux-image-3.16.0-4-amd64: Intel GPU hang in intel_crtc_wait_for_pending_flips on IvyBridge, Haswell



Control: tag -1 upstream fixed-upstream

On Mon, 2015-04-06 at 22:43 +0100, Chris Bainbridge wrote:
> > Both of those fixes are included in 3.16.7-ckt7-1, the version you
> > reported this against.  Are you still seeing a similar problem?
> 
> So they are. Hmm. I was getting a hang every day or so with
> 3.16.7-ckt7-1. With latest linux git I am getting zero hangs. There
> was also a report in the Launchpad bug from someone who was still
> getting hangs using a kernel with the fix. So it appears there is some
> other fix that is still missing, but there are a lot of drm/i915
> changes between 3.16 and current git. Do you mass import drm fixes or
> do you require a cherry picked patch?

We need cherry-picked patches.  Pulling the whole lot is sure to bring
in new regressions as well as fixes.

Ben.

-- 
Ben Hutchings
Power corrupts.  Absolute power is kind of neat.
                           - John Lehman, Secretary of the US Navy 1981-1987

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